281
FNUS75 KREV 100542
FWSREV

Spot Forecast for Hannahs Pile Rx unit 5...nevada division of forestry
National Weather Service Reno NV
942 PM PST Tue Dec 9 2025

Forecast is based on ignition time of 0700 PST on December 10.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Dry and unseasonably warm through the weekend with light
  winds limiting smoke transport.

* Low daytime humidity continues each day with nighttime
  recoveries becoming moderate to poor by the weekend.

* A pattern change may bring greater potential for precipitation
  and increased winds next week, but confidence is low.

.WEDNESDAY...

Sky/Weather.........Sunny.
Temperature.........40-43 at ignition...Max 54-57.
RH..................55-60% at ignition...Min 20-25%.
20-Foot Winds.......Winds south at 2-6 mph at ignition...otherwise
                    upslope 4-8 mph in the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl, increasing to 1200-1700 ft agl
                    after 1000 hours local.
Transport Winds.....Light winds.
Ventilation.........Poor.

TIME (PST)      7 AM      10 AM     1 PM
Sky (%).........5         3         2
Weather cov.....
Weather type....NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0
Chc of thdr (%).0         0         0
Temp............41        46        51
RH..............60        37        28
20 FT wind......S 7G10    SW 5      NW 6G10
Mx ht msl (kft).0.1       0.1       1.2
Transport wind..S 5       S 5       SW 5
Vrate kt-ft/1K..0         0         0
Ventrate Cat....POOR      POOR      POOR

.WEDNESDAY NIGHT...

Sky/Weather.........Clear.
Temperature.........Min 39-42.
RH..................Max 55-60%.
20-Foot Winds.......Downslope 2-6 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl.
Transport Winds.....1000-1500 ft agl in the late afternoon, decreasing
                    to 200-500 ft agl after 1700 hours local.
Ventilation.........Poor.

TIME (PST)      4 PM      7 PM      10 PM     1 AM
Sky (%).........6         8         8         7
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............48        44        45        44
RH..............54        54        45        49
20 FT wind......NW 5      W 5       S 6       S 4
Mx ht msl (kft).1.5       0.2       0.1       0.1
Transport wind..W 5       W 5       W 5       W 10
Vrate kt-ft/1K..0         0         0         0
Ventrate Cat....POOR      POOR      POOR      POOR

.THURSDAY...

Sky/Weather.........Sunny.
Temperature.........Max 54-57.
RH..................Min 20-25%.
20-Foot Winds.......Upslope 3-7 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl in the morning, becoming
                    1500-2000 ft agl in the afternoon.
Transport Winds.....West around 10 mph in the morning becoming
                    light.
Ventilation.........Poor.

TIME (PST)      4 AM      7 AM      10 AM     1 PM
Sky (%).........7         7         5         3
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............44        41        46        50
RH..............27        47        32        24
20 FT wind......W 9G15    W 8G15    W 6G10    NW 6G10
Mx ht msl (kft).0.1       0.1       0.5       1
Transport wind..W 10      W 10      W 5       NW 5
Vrate kt-ft/1K..0         0         0         0
Ventrate Cat....POOR      POOR      POOR      POOR

$$
Forecaster...Salas
Requested by...Chance Seliskar
Type of request...PRESCRIBED
.TAG 2527327.0/REV
.DELDT 12/10/25
.FormatterVersion 2.0.0
.EMAIL cseliskar@forestry.nv.gov